(Continued)
Condition Maximum Serviceable Limits
Nicks, scratches and gouges Permitted, if they are less than 0.03 inch (0.8 mm) in depth (after you remove the
high metal), and have a minimum separation of 1.0 inch (25.0 mm).
Nuts and rivets that are loose or gone Not permitted. Tighten the nuts or replace the rivets.
Distortion Permitted, if you can do the correct assembly.
Corrosion (discoloration) Permitted, if there are no scales or pits.
Holes caused by corrosion in Area C
(Figure 603)
A maximum of 5 holes are permitted with a minimum 2.0 inches (50.8 mm)
separation between holes. The maximum hole diameter must not be more than
0.50 inch (12.70 mm) and the minimum wall thickness at the hole must not be
less than 0.030 inch (0.76 mm). Blend hole edges to cleanup. Chemically touch
up exposed parent material with yellow zinc phosphate epoxy primer, C50159
[C03-085] application.
Paint that is gone Permitted.
SUBTASK 72-33-04-216-016-G00
(9) Visually examine the threaded pads, ports and bosses for the conditions that follow:
Condition Maximum Serviceable Limits
Damaged threads One full thread (continuous or added together) can be gone, after you chase the threads.
If it is necessary, repair the damaged threads (PAGEBLOCK 72-40-00/801).
SUBTASK 72-33-04-216-017-G00
(10) Visually examine the inner supports of the thrust reverser for the conditions that follow:
Condition Maximum Serviceable Limits
Wear coat that is gone Not permitted. Do the repairs (PAGEBLOCK 72-33-04/801).
Chevron seals that are damaged or
gone
Not permitted. Do the repairs (PAGEBLOCK 72-33-04/801).
SUBTASK 72-33-04-216-018-G00
(11) Visually examine the deflection limiter bumper for the conditions that follow:
Condition Maximum Serviceable Limits
Sleeves (left side) that are cracked or
gone
Not permitted. Replace the sleeve.
The bumper cannot turn (laterally) Not permitted. Replace the bumper assembly.
SUBTASK 72-33-04-216-019-G00
(12) Visually examine the forward engine mount and the mount link for the conditions that follow:
Table 601/72-33-04-993-801-G00
Condition Maximum Serviceable Limits
Cracks Not permitted.
Nicks, dents, and scratches Three signs of damage in each 4.0 square inches (25.8 sq cm) are permitted. The
damage must be less than 0.030 inch (0.76 mm) in depth. Scratches must be less
than 1.0 inch (25.4 mm) in length. Blend the damage as close to the initial contour
as it is possible.
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-33-04
NoC
Page 607
D633T1B7 Dec 22/2016
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999